In the human disease known as lupus, there is an immune reaction against a patient's own DNA from broken or dying cells; this categorizes lupus as ________.
A) an allergy
B) an immunodeficiency
C) an autoimmune disease
D) an antigenic variation
E) a cancer

Question

Quizplus · Accepted Answer

Lupus is categorized as an autoimmune disease because the immune system is attacking the patient's own DNA, which is a self-antigen. An allergy and an immunodeficiency are not accurate descriptions of lupus. Antigenic variation typically refers to pathogens that undergo changes in their surface antigens to evade the immune system, and cancer involves uncontrolled growth and division of abnormal cells.

In the Human Disease Known as Lupus, There Is an Immune